In Jain cosmology, Airavat Kshetra also has its own 24 Tirthankaras (a Chovisi) for each cycle. The “last” Tirthankar of Airavat Kshetra is not fixed as a single universal name across all traditions and cycles; the list can differ between texts and between Digambara and Śvetāmbara traditions. If you want the exact names for a particular cycle or tradition, those lists are given in Jain scriptures and later commentaries, and they vary. You can read a summary discussion here